<!DOCTYPE html>
<html lang="en">
    
    <head>
        <meta charset="UTF-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <title>test</title>
        <script src="./JQuery.min.js"></script>
    </head>

    <body>

        <ul>
            <li>HTML</li>
            <li>CSS</li>
            <li>JavaScript</li>
            <li class="select">jQuery</li>
            <li>Vue.js</li>
        </ul>

        <script type="text/javascript">

            $('li').filter('[class="select"]').css('color','red');

        </script>

    </body>

</html>